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我正在尝试将Apache Jclouds集成到我正在处理的Spring Boot应用程序中,以便我可以将文件上传到Rackspace Cloud Files(英国).

我创建了一个我正在创建Bean的类;

import com.google.common.io.ByteSource;
import com.google.common.io.Files;
import org.jclouds.ContextBuilder;
import org.jclouds.io.Payload;
import org.jclouds.io.Payloads;
import org.jclouds.openstack.swift.v1.features.ObjectApi;
import org.jclouds.rackspace.cloudfiles.v1.CloudFilesApi;
import org.springframework.web.multipart.MultipartFile;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;

/**
 * Class WebStorage
 *
 */
public class WebStorage {

    private final String region = "lon";
    private final String provider = "rackspace-cloudfiles-uk";

    private String username;
    private String apiKey;
    private String container;
    private String url;

    private CloudFilesApi cloudFilesApi;

    public WebStorage(String username, String apiKey, String container, String url) {
        this.username = username;
        this.apiKey = …